#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;

int main()
{
	int* p1 = new int;
	int* pp1 = new int(0);
	int* p2 = new int(10);
	int* parr2 = new int[10];
	int* parr3 = new int[10] {0};
	int* parr4 = new int[10] {1, 2, 3, 4};
	delete p1;
	delete pp1;
	delete p2;
	delete[]parr2;
	delete[]parr3;
	delete[]parr4;
	return 0;
}